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# frozen_string_literal: true
class FinalizeConvertDeploymentsBigint < ActiveRecord::Migration[6.1]
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
TABLE_NAME = 'deployments'
COLUMN_NAME = 'deployable_id'
COLUMN_NAME_BIGINT = "#{COLUMN_NAME}_convert_to_bigint"
def up
ensure_batched_background_migration_is_finished(
job_class_name: 'CopyColumnUsingBackgroundMigrationJob',
table_name: TABLE_NAME,
column_name: 'id',
job_arguments: [[COLUMN_NAME], [COLUMN_NAME_BIGINT]]
)
swap
end
def down
swap
end
def swap
old_index_name = 'index_deployments_on_deployable_type_and_deployable_id'
bigint_index_name = 'index_deployments_on_deployable_type_and_deployable_id_bigint'
add_concurrent_index TABLE_NAME, ['deployable_type', COLUMN_NAME_BIGINT], name: bigint_index_name
with_lock_retries(raise_on_exhaustion: true) do
# Swap columns
temp_name = "#{COLUMN_NAME}_tmp"
execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN #{quote_column_name(COLUMN_NAME)} TO #{quote_column_name(temp_name)}"
execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN #{quote_column_name(COLUMN_NAME_BIGINT)} TO #{quote_column_name(COLUMN_NAME)}"
execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN #{quote_column_name(temp_name)} TO #{quote_column_name(COLUMN_NAME_BIGINT)}"
function_name = Gitlab::Database::UnidirectionalCopyTrigger.on_table(TABLE_NAME, connection: connection).name(COLUMN_NAME, COLUMN_NAME_BIGINT)
execute "ALTER FUNCTION #{quote_table_name(function_name)} RESET ALL"
execute "DROP INDEX #{old_index_name}"
rename_index TABLE_NAME, bigint_index_name, old_index_name
end
end
end
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